eco name pgn
D00 Amazon Attack 1. d4 d5 2. Qd3
D00 Blackmar-Diemer Gambit 1. d4 d5 2. e4
D00 Blackmar-Diemer Gambit 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6
D00 Blackmar-Diemer Gambit Accepted 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3
D00 Blackmar-Diemer Gambit Accepted: Bogoljubow Defense 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 g6
D00 Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Kloss Attack 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 g6 6. Bc4 Bg7 7. O-O O-O 8. Kh1
D00 Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Mad Dog Attack 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 g6 6. Bc4 Bg7 7. h4
D00 Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Nimzowitsch Attack 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 g6 6. Bc4 Bg7 7. Ne5
D00 Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Studier Attack 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 g6 6. Bc4 Bg7 7. O-O O-O 8. Qe1
D00 Blackmar-Diemer Gambit Accepted: Euwe Defense 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 e6
D00 Blackmar-Diemer Gambit Accepted: Euwe Defense, Zilbermints Gambit 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 e6 6. Bg5 Be7 7. Bd3 Nc6 8. O-O Nxd4 9. Kh1
D00 Blackmar-Diemer Gambit Accepted: Gunderam Defense 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bf5
D00 Blackmar-Diemer Gambit Accepted: Gunderam Defense, Stader Variation 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bf5 6. Ne5 e6 7. g4 Be4
D00 Blackmar-Diemer Gambit Accepted: Holwell Defense 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Qd6
D00 Blackmar-Diemer Gambit Accepted: Kaulich Defense 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 c5
D00 Blackmar-Diemer Gambit Accepted: Pietrowsky Defense 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Nc6
D00 Blackmar-Diemer Gambit Accepted: Ritter Defense 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 b6
D00 Blackmar-Diemer Gambit Accepted: Ryder Gambit 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Qxf3
D00 Blackmar-Diemer Gambit Accepted: Schlutter Defense 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Nbd7
D00 Blackmar-Diemer Gambit Accepted: Teichmann Defense 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bg4
D00 Blackmar-Diemer Gambit Accepted: Teichmann Defense, Ciesielski Variation 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bg4 6. h3 Bxf3 7. Qxf3 c6 8. Qf2
D00 Blackmar-Diemer Gambit Accepted: Teichmann Defense, Classical Variation 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bg4 6. h3 Bxf3 7. Qxf3 c6 8. Be3
D00 Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bg4 6. h3 Bxf3 7. Qxf3 c6 8. g4
D00 Blackmar-Diemer Gambit Accepted: Ziegler Defense 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 c6
D00 Blackmar-Diemer Gambit Declined: Brombacher Countergambit 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 c5
D00 Blackmar-Diemer Gambit Declined: Elbert Countergambit 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 e5
D00 Blackmar-Diemer Gambit Declined: Gedult Defense 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 a6
D00 Blackmar-Diemer Gambit Declined: Lamb Defense 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 Nc6
D00 Blackmar-Diemer Gambit Declined: Langeheinicke Defense 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 e3
D00 Blackmar-Diemer Gambit Declined: O'Kelly Defense 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 c6
D00 Blackmar-Diemer Gambit Declined: Vienna Defense 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 Bf5
D00 Blackmar-Diemer Gambit Declined: Weinsbach Defense 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 e6
D00 Blackmar-Diemer Gambit: Blackmar Gambit 1. d4 d5 2. e4 dxe4 3. f3
D00 Blackmar-Diemer Gambit: Diemer-Rosenberg Attack 1. d4 d5 2. e4 dxe4 3. Be3
D00 Blackmar-Diemer Gambit: Fritz Attack 1. d4 d5 2. e4 dxe4 3. Bc4
D00 Blackmar-Diemer Gambit: Lemberger Countergambit 1. d4 d5 2. e4 dxe4 3. Nc3 e5
D00 Blackmar-Diemer Gambit: Lemberger Countergambit, Endgame Variation 1. d4 d5 2. e4 dxe4 3. Nc3 e5 4. dxe5
D00 Blackmar-Diemer Gambit: Lemberger Countergambit, Lange Gambit 1. d4 d5 2. e4 dxe4 3. Nc3 e5 4. Nxe4
D00 Blackmar-Diemer Gambit: Lemberger Countergambit, Rasmussen Attack 1. d4 d5 2. e4 dxe4 3. Nc3 e5 4. Nge2
D00 Blackmar-Diemer Gambit: Lemberger Countergambit, Sneiders Attack 1. d4 d5 2. e4 dxe4 3. Nc3 e5 4. Qh5
D00 Blackmar-Diemer Gambit: Lemberger Countergambit, Soller Attack 1. d4 d5 2. e4 dxe4 3. Nc3 e5 4. Be3
D00 Blackmar-Diemer Gambit: Netherlands Variation 1. d4 d5 2. e4 dxe4 3. Nc3 f5
D00 Blackmar-Diemer Gambit: Rasa-Studier Gambit 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. Be3
D00 Blackmar-Diemer Gambit: Reversed Albin Countergambit 1. d4 d5 2. e4 dxe4 3. Nc3 c5
D00 Blackmar-Diemer Gambit: Zeller Defense 1. d4 d5 2. e4 dxe4 3. Nc3 Bf5
D00 Blackmar-Diemer Gambit: Zeller Defense, Soller Attack 1. d4 d5 2. e4 dxe4 3. Nc3 Bf5 4. f3 Nf6 5. Bc4
D00 Blackmar-Diemer Gambit: von Popiel Gambit 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. Bg5
D00 Blackmar-Diemer Gambit: von Popiel Gambit, Zilbermints Variation 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. Bg5 Bf5 5. Bxf6 exf6 6. g4 Bg6 7. Qe2 Bb4 8. Qb5+
D00 Queen's Pawn Game 1. d4 d5
D00 Queen's Pawn Game 1. d4 d5 2. e3
D00 Queen's Pawn Game 1. d4 d5 2. e3 Nf6
D00 Queen's Pawn Game: Accelerated London System 1. d4 d5 2. Bf4
D00 Queen's Pawn Game: Accelerated London System, Steinitz Countergambit 1. d4 d5 2. Bf4 c5
D00 Queen's Pawn Game: Accelerated London System, Steinitz Countergambit Accepted 1. d4 d5 2. Bf4 c5 3. dxc5
D00 Queen's Pawn Game: Accelerated London System, Steinitz Countergambit, Morris Countergambit 1. d4 d5 2. Bf4 c5 3. e4
D00 Queen's Pawn Game: Accelerated London System, Steinitz Countergambit, Morris Countergambit Accepted 1. d4 d5 2. Bf4 c5 3. e4 dxe4
D00 Queen's Pawn Game: Chigorin Variation 1. d4 d5 2. Nc3
D00 Queen's Pawn Game: Chigorin Variation 1. d4 d5 2. Nc3 e6
D00 Queen's Pawn Game: Chigorin Variation, Alburt Defense 1. d4 d5 2. Nc3 Bf5
D00 Queen's Pawn Game: Chigorin Variation, Anti-Veresov 1. d4 d5 2. Nc3 Bg4
D00 Queen's Pawn Game: Chigorin Variation, Fianchetto Defense 1. d4 g6 2. Nf3 Bg7 3. Nc3 d5
D00 Queen's Pawn Game: Chigorin Variation, Irish Gambit 1. d4 d5 2. Nc3 c5
D00 Queen's Pawn Game: Chigorin Variation, Shaviliuk Gambit 1. d4 d5 2. Nc3 e5
D00 Queen's Pawn Game: Chigorin Variation, Shropshire Defense 1. d4 d5 2. Nc3 h5
D00 Queen's Pawn Game: Hübsch Gambit 1. d4 Nf6 2. Nc3 d5 3. e4
D00 Queen's Pawn Game: Levitsky Attack 1. d4 d5 2. Bg5
D00 Queen's Pawn Game: Levitsky Attack, Welling Variation 1. d4 d5 2. Bg5 Bg4
D00 Queen's Pawn Game: Mason Attack 1. d4 d5 2. f4
D00 Queen's Pawn Game: Stonewall Attack 1. d4 d5 2. e3 Nf6 3. Bd3
D00 Queen's Pawn Game: Zurich Gambit 1. d4 d5 2. g4
D01 Rapport-Jobava System 1. d4 d5 2. Nc3 Nf6 3. Bf4
D01 Rapport-Jobava System 1. d4 d5 2. Nc3 Nf6 3. Bf4 e6
D01 Rapport-Jobava System 1. d4 d5 2. Nc3 Nf6 3. Bf4 g6
D01 Rapport-Jobava System, with e6 1. d4 d5 2. Nc3 e6 3. Bf4
D01 Richter-Veresov Attack 1. d4 Nf6 2. Nc3 d5 3. Bg5
D01 Richter-Veresov Attack 1. d4 Nf6 2. Nc3 d5 3. Bg5 Bf5
D01 Richter-Veresov Attack: Boyce Defense 1. d4 Nf6 2. Nc3 d5 3. Bg5 Ne4
D01 Richter-Veresov Attack: Malich Gambit 1. d4 Nf6 2. Nc3 d5 3. Bg5 c5 4. Bxf6 gxf6 5. e4 dxe4 6. d5
D01 Richter-Veresov Attack: Richter Variation 1. d4 Nf6 2. Nc3 d5 3. Bg5 Bf5 4. f3
D01 Richter-Veresov Attack: Two Knights System 1. d4 Nf6 2. Nc3 d5 3. Bg5 Nbd7 4. Nf3
D01 Richter-Veresov Attack: Two Knights System, Grünfeld Defense 1. d4 Nf6 2. Nc3 d5 3. Bg5 Nbd7 4. Nf3 g6
D01 Richter-Veresov Attack: Veresov Variation 1. d4 Nf6 2. Nc3 d5 3. Bg5 Bf5 4. Bxf6
D02 London System: Poisoned Pawn Variation 1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 Qb6 5. Nc3
D02 Queen's Gambit Declined: Baltic Defense, Pseudo-Slav 1. d4 d5 2. Nf3 Bf5 3. c4 e6 4. Nc3 c6
D02 Queen's Pawn Game: Anti-Torre 1. Nf3 d5 2. d4 Bg4
D02 Queen's Pawn Game: Chandler Gambit 1. d4 d5 2. Nf3 c5 3. g3 cxd4 4. Bg2
D02 Queen's Pawn Game: Chigorin Variation 1. d4 d5 2. Nf3 Nc6
D02 Queen's Pawn Game: Krause Variation 1. d4 d5 2. Nf3 c5
D02 Queen's Pawn Game: Levitsky Attack, Euwe Variation, Modern Line 1. d4 d5 2. Nf3 c6 3. Bg5 h6 4. Bh4 Qb6
D02 Queen's Pawn Game: London System 1. d4 d5 2. Nf3 Nf6 3. Bf4
D02 Queen's Pawn Game: London System, Pterodactyl Variation 1. d4 g6 2. Nf3 Bg7 3. Bf4 c5 4. c3 cxd4 5. cxd4 Qa5+
D02 Queen's Pawn Game: London System, with e6 1. d4 d5 2. Nf3 e6 3. Bf4
D02 Queen's Pawn Game: Symmetrical Variation 1. d4 d5 2. Nf3 Nf6
D02 Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan 1. d4 d5 2. Nf3 Nf6 3. g3
D02 Queen's Pawn Game: Zilbermints Countergambit 1. d4 d5 2. Nf3 Nf6 3. c4 b5
D02 Queen's Pawn Game: Zukertort Variation 1. d4 d5 2. Nf3
D03 Queen's Pawn Game: Torre Attack 1. d4 d5 2. Nf3 Nf6 3. Bg5
D03 Queen's Pawn Game: Torre Attack, Gossip Variation 1. d4 d5 2. Nf3 Nf6 3. Bg5 Ne4
D03 Queen's Pawn Game: Torre Attack, Grünfeld Variation 1. d4 d5 2. Nf3 Nf6 3. Bg5 g6
D04 Queen's Pawn Game: Colle System 1. d4 d5 2. Nf3 Nf6 3. e3
D04 Queen's Pawn Game: Colle System, Anti-Colle 1. d4 d5 2. Nf3 Nf6 3. e3 Bf5
D04 Queen's Pawn Game: Colle System, Grünfeld Formation 1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. Bd3 Bg7
D05 Queen's Pawn Game: Colle System 1. d4 d5 2. Nf3 Nf6 3. e3 e6
D05 Queen's Pawn Game: Colle System 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3
D05 Queen's Pawn Game: Colle System, Traditional Colle 1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 d5 5. c3
D05 Queen's Pawn Game: Zukertort Variation 1. d4 d5 2. Nf3 c5 3. e3 Nf6 4. Nbd2 e6 5. b3
D05 Rubinstein Opening 1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 d5 5. b3
D05 Rubinstein Opening: Bogoljubow Defense 1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 d5 5. b3 Nc6 6. O-O Bd6 7. Bb2 O-O
D05 Rubinstein Opening: Classical Defense 1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 d5 5. b3 Nc6 6. O-O Be7 7. Bb2 O-O
D05 Rubinstein Opening: Semi-Slav Defense 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 Bd6 5. O-O O-O 6. b3 Nbd7 7. Bb2
D05 Rubinstein Opening: Semi-Slav Defense 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 Bd6 5. O-O O-O 6. b3 Nbd7 7. Bb2 c6
D05 Rubinstein Opening: Semi-Slav Defense 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 Bd6 5. O-O O-O 6. b3 Nbd7 7. Bb2 c6 8. Nbd2
D06 Queen's Gambit 1. d4 d5 2. c4
D06 Queen's Gambit Declined: Austrian Attack, Salvio Countergambit 1. d4 d5 2. c4 c5 3. dxc5 d4
D06 Queen's Gambit Declined: Austrian Defense 1. d4 d5 2. c4 c5
D06 Queen's Gambit Declined: Austrian Defense, Gusev Countergambit 1. d4 d5 2. c4 c5 3. cxd5 Nf6
D06 Queen's Gambit Declined: Austrian Defense, Haberditz Variation 1. d4 d5 2. c4 c5 3. cxd5 Nf6 4. e4 Nxe4 5. dxc5 Qa5+
D06 Queen's Gambit Declined: Baltic Defense 1. d4 d5 2. c4 Bf5
D06 Queen's Gambit Declined: Baltic Defense, Argentinian Gambit 1. d4 d5 2. c4 Bf5 3. cxd5 Bxb1 4. Qa4+ c6 5. dxc6 Nxc6
D06 Queen's Gambit Declined: Baltic Defense, Pseudo-Chigorin 1. d4 d5 2. c4 Bf5 3. Nc3 e6 4. Nf3 Nc6
D06 Queen's Gambit Declined: Baltic Defense, Queen Attack 1. d4 d5 2. c4 Bf5 3. Qb3
D06 Queen's Gambit Declined: Baltic Defense, Queen Attack Deferred 1. d4 d5 2. c4 Bf5 3. Nc3 e6 4. Qb3
D06 Queen's Gambit Declined: Marshall Defense 1. d4 d5 2. c4 Nf6
D06 Queen's Gambit Declined: Marshall Defense, Tan Gambit 1. d4 d5 2. c4 Nf6 3. cxd5 c6
D06 Queen's Gambit Declined: Zilbermints Gambit 1. d4 d5 2. c4 b5
D07 Queen's Gambit Declined: Chigorin Defense 1. d4 d5 2. c4 Nc6
D07 Queen's Gambit Declined: Chigorin Defense 1. d4 d5 2. c4 Nc6 3. Nc3
D07 Queen's Gambit Declined: Chigorin Defense 1. d4 d5 2. c4 Nc6 3. Nc3 dxc4
D07 Queen's Gambit Declined: Chigorin Defense, Exchange Variation 1. d4 d5 2. c4 Nc6 3. cxd5 Qxd5
D07 Queen's Gambit Declined: Chigorin Defense, Exchange Variation, Costa's Line 1. d4 d5 2. c4 Nc6 3. cxd5 Qxd5 4. e3 e5 5. Nc3 Bb4 6. Bd2 Bxc3 7. Bxc3 exd4 8. Ne2
D07 Queen's Gambit Declined: Chigorin Defense, Janowski Variation 1. d4 d5 2. c4 Nc6 3. Nc3 dxc4 4. Nf3
D07 Queen's Gambit Declined: Chigorin Defense, Lazard Gambit 1. d4 d5 2. c4 Nc6 3. Nf3 e5
D07 Queen's Gambit Declined: Chigorin Defense, Main Line 1. d4 d5 2. c4 Nc6 3. Nf3 Bg4
D07 Queen's Gambit Declined: Chigorin Defense, Main Line, Alekhine Variation 1. d4 d5 2. c4 Nc6 3. Nf3 Bg4 4. Qa4
D07 Queen's Gambit Declined: Chigorin Defense, Modern Gambit 1. d4 d5 2. c4 Nc6 3. Nc3 dxc4 4. Nf3 Nf6
D07 Queen's Gambit Declined: Chigorin Defense, Tartakower Gambit 1. d4 d5 2. c4 Nc6 3. Nc3 e5
D08 Queen's Gambit Declined: Albin Countergambit 1. d4 d5 2. c4 e5
D08 Queen's Gambit Declined: Albin Countergambit, Balogh Variation 1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. Nbd2 Qe7
D08 Queen's Gambit Declined: Albin Countergambit, Janowski Variation 1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. Nbd2 f6
D08 Queen's Gambit Declined: Albin Countergambit, Krenosz Variation 1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. Nbd2 Bg4 6. h3 Bxf3 7. Nxf3 Bb4+ 8. Bd2 Qe7
D08 Queen's Gambit Declined: Albin Countergambit, Lasker Trap 1. d4 d5 2. c4 e5 3. dxe5 d4 4. e3 Bb4+ 5. Bd2 dxe3
D08 Queen's Gambit Declined: Albin Countergambit, Modern Line 1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. Nbd2
D08 Queen's Gambit Declined: Albin Countergambit, Normal Line 1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3
D08 Queen's Gambit Declined: Albin Countergambit, Tartakower Defense 1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 c5
D09 Queen's Gambit Declined: Albin Countergambit, Fianchetto Variation 1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g3
D09 Queen's Gambit Declined: Albin Countergambit, Fianchetto Variation, Be6 Line 1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g3 Be6
D09 Queen's Gambit Declined: Albin Countergambit, Fianchetto Variation, Bf5 Line 1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g3 Bf5
D09 Queen's Gambit Declined: Albin Countergambit, Fianchetto Variation, Bg4 Line 1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g3 Bg4
D10 Slav Defense 1. d4 d5 2. c4 c6
D10 Slav Defense 1. d4 d5 2. c4 c6 3. Nc3
D10 Slav Defense 1. d4 d5 2. c4 c6 3. Nc3 dxc4
D10 Slav Defense: Diemer Gambit 1. d4 d5 2. c4 c6 3. e4
D10 Slav Defense: Exchange Variation 1. d4 d5 2. c4 c6 3. cxd5
D10 Slav Defense: Exchange Variation, Boor Attack 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. f3
D10 Slav Defense: Slav Gambit, Alekhine Attack 1. d4 d5 2. c4 c6 3. Nc3 dxc4 4. e4
D10 Slav Defense: Winawer Countergambit 1. d4 d5 2. c4 c6 3. Nc3 e5
D10 Slav Defense: Winawer Countergambit, Anti-Winawer Gambit 1. d4 d5 2. c4 c6 3. Nc3 e5 4. e4
D11 Slav Defense: Bonet Gambit 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Bg5
D11 Slav Defense: Breyer Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nbd2
D11 Slav Defense: Modern Line 1. d4 d5 2. c4 c6 3. Nf3
D11 Slav Defense: Modern Line 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 g6
D11 Slav Defense: Quiet Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3
D11 Slav Defense: Quiet Variation, Pin Defense 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bg4
D12 Slav Defense: Quiet Variation, Amsterdam Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. cxd5 cxd5 6. Nc3 e6 7. Ne5 Nfd7
D12 Slav Defense: Quiet Variation, Landau Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. cxd5 cxd5 6. Qb3 Qc8 7. Bd2 e6 8. Na3
D12 Slav Defense: Quiet Variation, Schallopp Defense 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5
D13 Slav Defense: Exchange Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5
D13 Slav Defense: Exchange Variation, Schallopp Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. cxd5 cxd5 6. Nc3
D14 Slav Defense: Exchange Variation, Symmetrical Line 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 Nc6 6. Bf4 Bf5
D14 Slav Defense: Exchange Variation, Trifunovic Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 Bf5 7. e3 e6 8. Qb3 Bb4
D15 Slav Defense: Alekhine Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e3
D15 Slav Defense: Chebanenko Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6
D15 Slav Defense: Chebanenko Variation, Advance System 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. c5
D15 Slav Defense: Geller Gambit 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e4
D15 Slav Defense: Geller Gambit 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e4 b5 6. e5
D15 Slav Defense: Schlechter Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6
D15 Slav Defense: Süchting Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 Qb6
D15 Slav Defense: Three Knights Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3
D15 Slav Defense: Two Knights Attack 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4
D16 Slav Defense: Alapin Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4
D16 Slav Defense: Smyslov Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Na6
D16 Slav Defense: Soultanbeieff Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 e6
D16 Slav Defense: Steiner Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bg4
D17 Slav Defense: Czech Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5
D17 Slav Defense: Czech Variation, Bled Attack 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Nh4
D17 Slav Defense: Czech Variation, Carlsbad Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Qc7 8. g3 e5
D17 Slav Defense: Czech Variation, Carlsbad Variation, Morozevich Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Qc7 8. g3 e5 9. dxe5 Nxe5 10. Bf4 Nfd7 11. Bg2 g5
D17 Slav Defense: Czech Variation, Krause Attack 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5
D17 Slav Defense: Czech Variation, Krause Attack, Fazekas Gambit 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Na6 7. e4
D17 Slav Defense: Czech Variation, Wiesbaden Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 e6
D17 Slav Defense: Czech Variation, Wiesbaden Variation, Sharp Line 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 e6 7. f3 Bb4 8. e4
D18 Slav Defense: Czech Variation, Classical System 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3
D18 Slav Defense: Czech Variation, Lasker Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 Na6
D19 Slav Defense: Czech Variation, Classical System, Main Line 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O O-O 9. Qe2
D19 Slav Defense: Czech Variation, Dutch Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O
D19 Slav Defense: Czech Variation, Dutch Variation, Sämisch Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O O-O 9. Qe2 Ne4 10. g4
D20 Queen's Gambit Accepted 1. d4 d5 2. c4 dxc4
D20 Queen's Gambit Accepted: Accelerated Mannheim Variation 1. d4 d5 2. c4 dxc4 3. Qa4+
D20 Queen's Gambit Accepted: Central Variation, Alekhine System 1. d4 d5 2. c4 dxc4 3. e4 Nf6
D20 Queen's Gambit Accepted: Central Variation, Greco Variation 1. d4 d5 2. c4 dxc4 3. e4 b5
D20 Queen's Gambit Accepted: Central Variation, McDonnell Defense 1. d4 d5 2. c4 dxc4 3. e4 e5
D20 Queen's Gambit Accepted: Central Variation, McDonnell Defense, Somov Gambit 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Bxc4
D20 Queen's Gambit Accepted: Central Variation, Modern Defense 1. d4 d5 2. c4 dxc4 3. e4 Nc6
D20 Queen's Gambit Accepted: Central Variation, Rubinstein Defense 1. d4 d5 2. c4 dxc4 3. e4 c5
D20 Queen's Gambit Accepted: Central Variation, Rubinstein Defense, Yefimov Gambit 1. d4 d5 2. c4 dxc4 3. e4 c5 4. d5 b5
D20 Queen's Gambit Accepted: Linares Variation 1. d4 d5 2. c4 dxc4 3. e4 c5 4. d5 Nf6 5. Nc3 b5
D20 Queen's Gambit Accepted: Old Variation 1. d4 d5 2. c4 dxc4 3. e3
D20 Queen's Gambit Accepted: Old Variation, Billinger Gambit 1. d4 d5 2. c4 dxc4 3. e3 e5 4. Bxc4 exd4 5. Qb3 Qe7 6. a3
D20 Queen's Gambit Accepted: Old Variation, Christensen Gambit 1. d4 d5 2. c4 dxc4 3. e3 e5 4. Bxc4 exd4 5. Qb3 Qe7 6. Nf3
D20 Queen's Gambit Accepted: Old Variation, Korchnoi Gambit 1. d4 d5 2. c4 dxc4 3. e3 e5 4. Bxc4 exd4 5. Qb3 Qe7 6. Kf1
D20 Queen's Gambit Accepted: Old Variation, Novikov Gambit 1. d4 d5 2. c4 dxc4 3. e3 e5 4. Bxc4 exd4 5. Qb3 Qe7 6. Nd2
D20 Queen's Gambit Accepted: Saduleto Variation 1. d4 d5 2. c4 dxc4 3. e4
D20 Queen's Gambit Accepted: Schwartz Defense 1. d4 d5 2. c4 dxc4 3. e4 f5
D21 Queen's Gambit Accepted: Alekhine Defense, Borisenko-Furman Variation 1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e4
D21 Queen's Gambit Accepted: Godes Variation 1. d4 d5 2. c4 dxc4 3. Nf3 Nd7
D21 Queen's Gambit Accepted: Gunsberg Defense 1. d4 d5 2. c4 dxc4 3. Nf3 c5
D21 Queen's Gambit Accepted: Normal Variation 1. d4 d5 2. c4 dxc4 3. Nf3
D21 Queen's Gambit Accepted: Rosenthal Variation 1. d4 d5 2. c4 dxc4 3. Nf3 e6
D21 Queen's Gambit Accepted: Slav Gambit 1. d4 d5 2. c4 dxc4 3. Nf3 b5
D22 Queen's Gambit Accepted: Alekhine Defense 1. d4 d5 2. c4 dxc4 3. Nf3 a6
D22 Queen's Gambit Accepted: Alekhine Defense, Alatortsev Variation 1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3 Bg4 5. Bxc4 e6 6. d5
D22 Queen's Gambit Accepted: Alekhine Defense, Haberditz Variation 1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3 b5
D23 Queen's Gambit Accepted 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6
D23 Queen's Gambit Accepted: Mannheim Variation 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Qa4+
D24 Queen's Gambit Accepted: Bogoljubow Defense 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3 a6 5. e4
D24 Queen's Gambit Accepted: Gunsberg Defense, Prianishenmo Gambit 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3 c5 5. d5 e6 6. e4 exd5 7. e5
D24 Queen's Gambit Accepted: Showalter Variation 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3
D25 Queen's Gambit Accepted: Janowski-Larsen Variation 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4
D25 Queen's Gambit Accepted: Normal Variation 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3
D25 Queen's Gambit Accepted: Smyslov Variation 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 g6
D25 Queen's Gambit Accepted: Winawer Defense 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Be6
D26 Queen's Gambit Accepted: Classical Defense 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5
D26 Queen's Gambit Accepted: Classical Defense, Normal Line 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O
D26 Queen's Gambit Accepted: Classical Defense, Steinitz Variation, Development Variation 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O Nc6
D26 Queen's Gambit Accepted: Classical Defense, Steinitz Variation, Exchange Variation 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O cxd4
D26 Queen's Gambit Accepted: Classical, Furman Variation 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. Qe2 a6 7. dxc5 Bxc5 8. O-O Nc6 9. e4 b5 10. e5
D26 Queen's Gambit Accepted: Normal Variation, Traditional System 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6
D27 Queen's Gambit Accepted: Classical Defense, Main Line 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6
D27 Queen's Gambit Accepted: Classical Defense, Rubinstein Variation 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. a4
D27 Queen's Gambit Accepted: Classical Defense, Russian Gambit 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. O-O a6 7. e4
D27 Queen's Gambit Accepted: Furman Variation 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. dxc5 Bxc5
D28 Queen's Gambit Accepted: Classical Defense, Alekhine System 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2
D28 Queen's Gambit Accepted: Classical Defense, Alekhine System 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5
D28 Queen's Gambit Accepted: Classical, Flohr Variation 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bb3 Nc6 9. Rd1 c4 10. Bc2 Nb4 11. Nc3 Nxc2 12. Qxc2 Bb7 13. d5 Qc7
D29 Queen's Gambit Accepted: Classical Defense, Alekhine System, Main Line 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bb3 Bb7
D29 Queen's Gambit Accepted: Classical Defense, Alekhine System, Smyslov Variation 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bb3 Bb7 9. Rd1 Nbd7 10. Nc3 Bd6
D30 Queen's Gambit Declined 1. d4 d5 2. c4 e6
D30 Queen's Gambit Declined: Capablanca Variation 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 h6
D30 Queen's Gambit Declined: Capablanca Variation 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Bg5 c6 5. Nbd2 Nbd7 6. e3
D30 Queen's Gambit Declined: Semmering Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nbd2 Nbd7 6. Bd3 c5
D30 Queen's Gambit Declined: Spielmann Variation 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. e3 c6 5. Nbd2 g6
D30 Queen's Gambit Declined: Stonewall Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nbd2 Ne4 6. Bd3 f5
D30 Queen's Gambit Declined: Tarrasch Defense, Pseudo-Tarrasch 1. d4 d5 2. c4 e6 3. Nf3 c5
D30 Queen's Gambit Declined: Tarrasch Defense, Pseudo-Tarrasch Bishop Attack 1. d4 d5 2. c4 e6 3. Nf3 c5 4. cxd5 exd5 5. Bg5
D30 Queen's Gambit Declined: Traditional Variation 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5
D30 Queen's Gambit Declined: Vienna Variation 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 Bb4+
D30 Semi-Slav Defense: Quiet Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nbd2
D30 Semi-Slav Defense: Quiet Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nbd2 Nbd7
D31 Queen's Gambit Declined: Alapin Variation 1. d4 e6 2. c4 b6 3. Nc3 d5
D31 Queen's Gambit Declined: Charousek Variation 1. d4 d5 2. c4 e6 3. Nc3 Be7
D31 Queen's Gambit Declined: Charousek Variation, Miladinovic Gambit 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. e4 dxe4 5. f3
D31 Queen's Gambit Declined: Janowski Variation 1. d4 d5 2. c4 e6 3. Nc3 a6
D31 Queen's Gambit Declined: Queen's Knight Variation 1. d4 d5 2. c4 e6 3. Nc3
D31 Queen's Gambit Declined: Semi-Slav, Abrahams Variation 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5
D31 Queen's Gambit Declined: Semi-Slav, Junge Variation 1. d4 d5 2. c4 e6 3. Nf3 c6 4. Nc3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 Qb6
D31 Queen's Gambit Declined: Semi-Slav, Koomen Variation 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. e3 b5 6. a4 Bb4 7. Bd2 Qe7
D31 Queen's Gambit Declined: Uhlmann Variation 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 O-O 7. Rc1 dxc4
D31 Semi-Slav Defense: Accelerated Move Order 1. d4 d5 2. c4 e6 3. Nc3 c6
D31 Semi-Slav Defense: Anti-Noteboom, Stonewall Variation, Portisch Gambit 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 f5 5. g4
D31 Semi-Slav Defense: Gunderam Gambit 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. f3
D31 Semi-Slav Defense: Marshall Gambit 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4
D31 Semi-Slav Defense: Marshall Gambit, Forgotten Variation 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Nc3
D31 Semi-Slav Defense: Marshall Gambit, Main Line 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2
D31 Semi-Slav Defense: Marshall Gambit, Tolush Variation 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 Qxd4 7. Bxb4 Qxe4+ 8. Be2 c5 9. Bxc5 Qxg2
D31 Semi-Slav Defense: Noteboom Variation 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4
D31 Semi-Slav Defense: Noteboom Variation, Abrahams Variation 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. e3 Bxc3+ 7. bxc3 b5 8. axb5 cxb5
D31 Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Gambit 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. g3
D31 Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. Bg5
D31 Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. Bg5 f6
D32 Queen's Gambit Declined: Tarrasch Defense 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5
D32 Tarrasch Defense 1. d4 d5 2. c4 e6 3. Nc3 c5
D32 Tarrasch Defense: Grünfeld Gambit 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. dxc5 d4 7. Na4 b5
D32 Tarrasch Defense: Marshall Gambit 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. e4
D32 Tarrasch Defense: Schara Gambit 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 cxd4
D32 Tarrasch Defense: Symmetrical Variation 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 Nc6
D32 Tarrasch Defense: Tarrasch Gambit 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. dxc5 d4 6. Na4 b5
D32 Tarrasch Defense: Two Knights Variation 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3
D32 Tarrasch Defense: von Hennig Gambit 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 cxd4 5. Qxd4 Nc6 6. Qd1 exd5 7. Qxd5 Be6
D33 Tarrasch Defense: Dubov Tarrasch 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 cxd4 8. Nxd4 Bc5
D33 Tarrasch Defense: Prague Variation 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6
D33 Tarrasch Defense: Rubinstein System 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3
D33 Tarrasch Defense: Swedish Variation 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 c4
D33 Tarrasch Defense: Swedish Variation, Central Break 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 c4 7. e4
D33 Tarrasch Defense: Wagner Variation 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Bg4
D34 Queen's Gambit Declined: Tarrasch Defense, Stoltz Variation 1. d4 d5 2. c4 e6 3. Nf3 c5 4. cxd5 exd5 5. g3 Nc6 6. Bg2 Nf6 7. O-O Be7 8. Nc3 O-O 9. Bg5 Be6 10. Rc1 b6
D34 Tarrasch Defense: Classical Variation 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O
D34 Tarrasch Defense: Classical Variation, Advance Variation 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. Bg5 c4
D34 Tarrasch Defense: Classical Variation, Bogoljubow Variation 1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. Nf3 d5 5. cxd5 exd5 6. g3 Nc6 7. Bg2 Be7 8. O-O O-O 9. Bg5 Be6 10. Rc1 c4
D34 Tarrasch Defense: Classical Variation, Carlsbad Variation 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. Bg5
D34 Tarrasch Defense: Classical Variation, Chandler Variation 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. Bg5 cxd4 10. Nxd4 h6 11. Be3 Re8 12. Rc1 Be6
D34 Tarrasch Defense: Classical Variation, Classical Tarrasch Gambit 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4
D34 Tarrasch Defense: Classical Variation, Endgame Variation 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. Bg5 Be6
D34 Tarrasch Defense: Classical Variation, Main Line 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. Bg5 cxd4 10. Nxd4 h6 11. Be3 Re8
D34 Tarrasch Defense: Classical Variation, Petursson Variation 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. Bg5 cxd4 10. Nxd4 Re8
D34 Tarrasch Defense: Classical Variation, Réti Variation 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 Bxc5 10. Na4
D34 Tarrasch Defense: Classical Variation, Spassky Variation 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. Bg5 cxd4 10. Nxd4 h6 11. Be3 Bg4
D34 Tarrasch Defense: Prague Variation, Main Line 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7
D35 Queen's Gambit Declined: Exchange Variation 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5
D35 Queen's Gambit Declined: Exchange Variation, Chameleon Variation 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 O-O 7. Bd3 Nbd7 8. Qc2 Re8 9. Nge2 Nf8 10. O-O-O
D35 Queen's Gambit Declined: Exchange Variation, Positional Variation 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5
D35 Queen's Gambit Declined: Exchange Variation, Positional Variation 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6
D35 Queen's Gambit Declined: Exchange Variation, Sämisch Variation 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7 5. cxd5 exd5 6. Bf4
D35 Queen's Gambit Declined: Harrwitz Attack 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bf4
D35 Queen's Gambit Declined: Normal Defense 1. d4 d5 2. c4 e6 3. Nc3 Nf6
D36 Queen's Gambit Declined: Exchange Variation, Reshevsky Variation 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. Qc2
D37 Queen's Gambit Declined: Barmen Variation 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7
D37 Queen's Gambit Declined: Harrwitz Attack 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4
D37 Queen's Gambit Declined: Harrwitz Attack 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. e3 c5 7. dxc5 Bxc5 8. Qc2 Nc6 9. Rd1 Qa5 10. a3
D37 Queen's Gambit Declined: Harrwitz Attack 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. e3 c5 7. dxc5 Bxc5 8. Qc2 Nc6 9. a3 Qa5 10. O-O-O
D37 Queen's Gambit Declined: Harrwitz Attack, Fianchetto Defense 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bf4 O-O 6. e3 b6
D37 Queen's Gambit Declined: Harrwitz Attack, Main Line 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. e3 c5 7. dxc5 Bxc5
D37 Queen's Gambit Declined: Harrwitz Attack, Orthodox Defense 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bf4 O-O 6. e3 c6
D37 Queen's Gambit Declined: Harrwitz Attack, Two Knights Defense 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. e3 Nbd7
D37 Queen's Gambit Declined: Harrwitz Attack, Two Knights Defense, Blockade Line 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Be7 5. Bf4 O-O 6. e3 Nbd7 7. c5
D37 Queen's Gambit Declined: Knight Defense, Alekhine Gambit 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7 5. Bg5 h6 6. Bh4 dxc4
D37 Queen's Gambit Declined: Miles Variation 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. Qc2
D37 Queen's Gambit Declined: Three Knights Variation 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3
D37 Queen's Gambit Declined: Three Knights, Vienna Variation 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4
D37 Queen's Gambit Declined: Vienna Variation, Quiet Variation 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. e3
D38 Queen's Gambit Declined: Ragozin Defense 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4
D38 Queen's Gambit Declined: Ragozin Defense, Alekhine Variation 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qa4+
D38 Queen's Gambit Declined: Westphalian Variation 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 Nbd7 6. e3 c5
D39 Queen's Gambit Declined: Ragozin Defense, Vienna Variation 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 dxc4
D40 Queen's Gambit Declined: Semi-Tarrasch Defense 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5
D40 Queen's Gambit Declined: Semi-Tarrasch Defense, Levenfish Variation 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. e3 Nc6 6. Bd3 Bd6 7. O-O O-O 8. Qe2 Qe7 9. dxc5 Bxc5 10. e4
D40 Queen's Gambit Declined: Semi-Tarrasch Defense, Pillsbury Variation 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. Bg5
D40 Queen's Gambit Declined: Semi-Tarrasch Defense, Symmetrical Variation 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. e3 Nc6 6. Bd3 Bd6 7. O-O O-O
D41 Queen's Gambit Declined: Semi-Tarrasch Defense 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 d5 5. d4 e6
D41 Queen's Gambit Declined: Semi-Tarrasch Defense 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5
D41 Queen's Gambit Declined: Semi-Tarrasch Defense, Exchange Variation 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e4
D41 Queen's Gambit Declined: Semi-Tarrasch Defense, Kmoch Variation 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O 11. Bb5
D41 Queen's Gambit Declined: Semi-Tarrasch Defense, Pillsbury Variation 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e3
D41 Queen's Gambit Declined: Semi-Tarrasch Defense, San Sebastian Variation 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Nf3 cxd4 8. cxd4 Bb4+ 9. Bd2 Qa5
D42 Queen's Gambit Declined: Semi-Tarrasch Defense, Main Line 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bd3
D43 Queen's Gambit Declined: Hastings Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 h6 6. Bxf6 Qxf6 7. Qb3
D43 Semi-Slav Defense 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6
D43 Semi-Slav Defense: Anti-Moscow Gambit 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 h6 6. Bh4
D44 Semi-Slav Defense Accepted 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4
D44 Semi-Slav Defense: Botvinnik Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4
D44 Semi-Slav Defense: Botvinnik Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5
D44 Semi-Slav Defense: Botvinnik Variation, Alatortsev System 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 Nd5
D44 Semi-Slav Defense: Botvinnik Variation, Ekstrom Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. exf6 gxh4 10. Ne5
D44 Semi-Slav Defense: Botvinnik Variation, Lilienthal Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. g3
D44 Semi-Slav Defense: Botvinnik Variation, Szabo Variation 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. Qf3
D45 Semi-Slav Defense: Accelerated Meran Variation 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 a6
D45 Semi-Slav Defense: Main Line 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3
D45 Semi-Slav Defense: Normal Variation 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7
D45 Semi-Slav Defense: Rubinstein System 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. e3 Nbd7 6. Ne5
D45 Semi-Slav Defense: Stoltz Variation 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2
D45 Semi-Slav Defense: Stoltz Variation 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 b6 7. b3
D45 Semi-Slav Defense: Stoltz Variation 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 e6 5. Nc3 Nbd7 6. Qc2 Bd6 7. b3
D45 Semi-Slav Defense: Stoltz Variation 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 e6 5. Nc3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Bb2
D45 Semi-Slav Defense: Stoltz Variation, Center Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. e4
D45 Semi-Slav Defense: Stoltz Variation, Center Variation, Mikhalchishin Line 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. e4 dxe4 8. Nxe4 Nxe4 9. Qxe4 e5 10. dxe5
D45 Semi-Slav Defense: Stoltz Variation, Shabalov Attack 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. g4
D45 Semi-Slav Defense: Stonewall Defense 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Ne4 6. Bd3 f5
D46 Semi-Slav Defense: Bogoljubow Variation 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 Be7
D46 Semi-Slav Defense: Chigorin Defense 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 Bd6
D46 Semi-Slav Defense: Chigorin Defense 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 Bd6 7. Qc2
D46 Semi-Slav Defense: Chigorin Defense 1. d4 d5 2. c4 c6 3. Nf3 e6 4. e3 Nf6 5. Nc3 Bd6 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Nbd7 9. O-O O-O 10. Qc2
D46 Semi-Slav Defense: Chigorin Defense 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bd6 9. O-O Bb7 10. a3 O-O 11. Qc2
D46 Semi-Slav Defense: Main Line 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3
D46 Semi-Slav Defense: Main Line 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 b6 7. b3 Bb7 8. Bd3 Be7 9. O-O O-O 10. Bb2
D46 Semi-Slav Defense: Romih Variation 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 Bb4
D47 Semi-Slav Defense: Meran Variation 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5
D47 Semi-Slav Defense: Meran Variation, Lundin Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 b4
D47 Semi-Slav Defense: Meran Variation, Wade Variation 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7
D47 Semi-Slav Defense: Meran Variation, Wade Variation, Kaidanov Gambit 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5 11. e5 Nd5 12. O-O cxd4 13. Nxd4
D47 Semi-Slav Defense: Meran Variation, Wade Variation, Larsen Variation 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5 11. e5 Nd5
D47 Semi-Slav Defense: Semi-Meran Variation 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4
D48 Semi-Slav Defense: Meran Variation 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6
D48 Semi-Slav Defense: Meran Variation 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5
D48 Semi-Slav Defense: Meran Variation, Old Variation 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5
D48 Semi-Slav Defense: Meran Variation, Pirc Variation 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 b4
D48 Semi-Slav Defense: Meran Variation, Reynolds' Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. d5
D49 Semi-Slav Defense: Meran Variation, Blumenfeld Variation 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5
D49 Semi-Slav Defense: Meran Variation, Rabinovich Variation 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5 Ng4
D49 Semi-Slav Defense: Meran Variation, Rellstab Attack 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5 Nxe5 12. Nxe5 axb5 13. O-O Qd5 14. Qe2 Ba6 15. Bg5
D49 Semi-Slav Defense: Meran Variation, Sozin Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5 Nxe5
D49 Semi-Slav Defense: Meran Variation, Sozin Variation 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5 Nxe5 12. Nxe5 axb5 13. O-O
D49 Semi-Slav Defense: Meran Variation, Stahlberg Variation 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5 Nxe5 12. Nxe5 axb5 13. Qf3
D50 Queen's Gambit Declined: Been-Koomen Variation 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5
D50 Queen's Gambit Declined: Modern Variation 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5
D50 Queen's Gambit Declined: Pseudo-Tarrasch Variation 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5 5. cxd5
D50 Queen's Gambit Declined: Pseudo-Tarrasch Variation, Canal Variation 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5 5. cxd5 Qb6
D50 Queen's Gambit Declined: Pseudo-Tarrasch Variation, Primitive Pillsbury Variation 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5 5. Nf3 cxd4 6. Qxd4
D50 Queen's Gambit Declined: Semi-Tarrasch Defense, Krause Variation 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5 5. Nf3 cxd4 6. Nxd4 e5 7. Ndb5 a6 8. Qa4
D51 Queen's Gambit Declined: Alekhine Variation 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 c6 6. e4
D51 Queen's Gambit Declined: Capablanca Variation, Anti-Cambridge Springs Variation 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. a3
D51 Queen's Gambit Declined: Manhattan Variation 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 Bb4
D51 Queen's Gambit Declined: Modern Variation, Knight Defense 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7
D51 Queen's Gambit Declined: Modern Variation, Knight Defense 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3
D51 Queen's Gambit Declined: Modern Variation, Knight Defense 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6
D51 Queen's Gambit Declined: Rochlin Variation 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 c6 6. Rc1 Qa5 7. Bd2
D52 Queen's Gambit Declined 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. e3
D52 Queen's Gambit Declined: Cambridge Springs Defense 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Qa5
D52 Queen's Gambit Declined: Cambridge Springs Defense 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. cxd5
D52 Queen's Gambit Declined: Cambridge Springs Defense, Argentine Variation 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. Nd2 Bb4 8. Qc2 O-O 9. Bh4
D52 Queen's Gambit Declined: Cambridge Springs Defense, Bogoljubow Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. Nd2 Bb4 8. Qc2
D52 Queen's Gambit Declined: Cambridge Springs Defense, Capablanca Variation 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. Bxf6
D52 Queen's Gambit Declined: Cambridge Springs Defense, Rubinstein Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. Nd2 dxc4
D52 Queen's Gambit Declined: Cambridge Springs Defense, Yugoslav Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. cxd5 Nxd5
D53 Queen's Gambit Declined 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7
D53 Queen's Gambit Declined: Lasker Defense 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 Ne4
D53 Queen's Gambit Declined: Modern Variation, Heral Variation 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Bxf6
D54 Queen's Gambit Declined: Neo-Orthodox Variation 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 O-O 6. Rc1
D55 Queen's Gambit Declined: Anti-Tartakower Variation 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 h6 7. Bxf6
D55 Queen's Gambit Declined: Anti-Tartakower Variation, Petrosian Variation 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 h6 6. Bxf6 Bxf6 7. e3 O-O 8. Rc1 c6 9. Bd3 Nd7 10. O-O dxc4 11. Bxc4
D55 Queen's Gambit Declined: Modern Variation, Normal Line 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3
D55 Queen's Gambit Declined: Neo-Orthodox Variation 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 h6
D55 Queen's Gambit Declined: Neo-Orthodox Variation, Main Line 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 h6 6. Bh4 O-O 7. e3
D55 Queen's Gambit Declined: Pillsbury Attack 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 d5 5. cxd5 exd5 6. Bg5 Be7 7. e3 O-O 8. Bd3 Bb7 9. Ne5
D56 Queen's Gambit Declined: Lasker Defense 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 O-O 7. e3 Ne4
D56 Queen's Gambit Declined: Lasker Defense, Russian Variation 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2 Nf6 10. Bd3 dxc4 11. Bxc4 c5 12. O-O Nc6 13. Rfd1 Bd7
D56 Queen's Gambit Declined: Lasker Defense, Teichmann Variation 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 h6 6. Bh4 O-O 7. e3 Ne4 8. Bxe7 Qxe7 9. Qc2
D57 Queen's Gambit Declined: Lasker Defense, Bernstein Variation 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 h6 6. Bh4 O-O 7. Nf3 Ne4 8. Bxe7 Qxe7 9. cxd5 Nxc3 10. bxc3 exd5 11. Qb3 Qd6
D57 Queen's Gambit Declined: Lasker Defense, Bernstein Variation, Mar del Plata Gambit 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. cxd5 Nxc3 10. bxc3 exd5 11. Qb3 Rd8 12. c4 Be6
D57 Queen's Gambit Declined: Lasker Defense, Main Line 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 O-O 7. e3 Ne4 8. Bxe7 Qxe7 9. cxd5 Nxc3 10. bxc3
D58 Queen's Gambit Declined: Tartakower Defense 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 h6 6. Bh4 O-O 7. e3 b6
D58 Queen's Gambit Declined: Tartakower Defense, Exchange Variation 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 O-O 7. e3 b6 8. cxd5 exd5
D59 Queen's Gambit Declined: Tartakower Defense 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 O-O 7. e3 b6 8. cxd5 Nxd5 9. Bxe7 Qxe7 10. Nxd5 exd5 11. Rc1 Be6
D59 Queen's Gambit Declined: Tartakower Defense, Makogonov Exchange Variation 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 O-O 7. e3 b6 8. cxd5 Nxd5
D60 Queen's Gambit Declined: Orthodox Defense 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7
D60 Queen's Gambit Declined: Orthodox Defense, Botvinnik Variation 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Bd3
D60 Queen's Gambit Declined: Orthodox Defense, Rauzer Variation 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Qb3
D61 Queen's Gambit Declined: Orthodox Defense, Rubinstein Variation 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Qc2
D62 Queen's Gambit Declined: Orthodox Defense, Rubinstein Variation, Flohr Line 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Qc2 c5 8. cxd5
D63 Queen's Gambit Declined: Orthodox Defense, Capablanca Variation 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 b6 8. cxd5 exd5 9. Bb5
D63 Queen's Gambit Declined: Orthodox Defense, Henneberger Variation 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 a6
D63 Queen's Gambit Declined: Orthodox Defense, Main Line 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1
D63 Queen's Gambit Declined: Orthodox Defense, Main Line 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 c6
D63 Queen's Gambit Declined: Orthodox Defense, Pillsbury Variation 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 b6 8. cxd5 exd5 9. Bd3
D63 Queen's Gambit Declined: Orthodox Defense, Swiss, Carlsbad Variation 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 a6 8. cxd5
D64 Queen's Gambit Declined: Orthodox Defense, Rubinstein Attack 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 c6 8. a3 a6 9. Qc2
D64 Queen's Gambit Declined: Orthodox Defense, Rubinstein Attack 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 c6 8. Qc2
D64 Queen's Gambit Declined: Orthodox Defense, Rubinstein Attack 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 c6 8. Qc2 a6
D64 Queen's Gambit Declined: Orthodox Defense, Rubinstein Attack 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 c6 8. Qc2 Ne4
D65 Queen's Gambit Declined: Orthodox Defense, Rubinstein Attack 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 c6 8. Qc2 a6 9. cxd5
D66 Queen's Gambit Declined: Orthodox Defense, Bd3 Line 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3
D66 Queen's Gambit Declined: Orthodox Defense, Fianchetto Variation 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c6 5. Nf3 Be7 6. e3 Nbd7 7. Rc1 O-O 8. Bd3 dxc4 9. Bxc4 b5
D67 Queen's Gambit Declined: Orthodox Defense, Alekhine Variation 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. Ne4
D67 Queen's Gambit Declined: Orthodox Defense, Bd3 Line 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7
D67 Queen's Gambit Declined: Orthodox Defense, Capablanca System 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5
D67 Queen's Gambit Declined: Orthodox Defense, Janowski Variation 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. h4
D67 Queen's Gambit Declined: Orthodox Defense, Main Line 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. O-O
D68 Queen's Gambit Declined: Orthodox Defense, Classical Variation 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. O-O Nxc3 12. Rxc3 e5
D68 Queen's Gambit Declined: Orthodox Defense, Classical Variation 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. O-O Nxc3 12. Rxc3 e5 13. Qb1
D68 Queen's Gambit Declined: Orthodox Defense, Classical Variation 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. O-O Nxc3 12. Rxc3 e5 13. Qc2
D69 Queen's Gambit Declined: Orthodox Defense, Classical Variation 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. O-O Nxc3 12. Rxc3 e5 13. dxe5 Nxe5 14. Nxe5 Qxe5
D70 Neo-Grünfeld Defense: Goglidze Attack 1. d4 Nf6 2. c4 g6 3. f3 d5
D70 Neo-Grünfeld Defense: with Nf3 1. d4 Nf6 2. c4 g6 3. Nf3 d5
D70 Neo-Grünfeld Defense: with g3 1. d4 Nf6 2. c4 g6 3. g3 d5
D71 Neo-Grünfeld Defense: Exchange Variation 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5
D74 Neo-Grünfeld Defense: Delayed Exchange Variation 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d5 6. cxd5 Nxd5 7. O-O
D75 Neo-Grünfeld Defense: Delayed Exchange Variation 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. g3 d5 6. cxd5 Nxd5 7. Bg2 c5 8. O-O
D75 Neo-Grünfeld Defense: Delayed Exchange Variation 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 O-O 5. Bg2 d5 6. cxd5 Nxd5 7. O-O c5 8. dxc5
D76 Neo-Grünfeld Defense: Delayed Exchange Variation 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d5 6. cxd5 Nxd5 7. O-O Nb6
D77 Neo-Grünfeld Defense: Classical Variation 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. c4
D77 Neo-Grünfeld Defense: Classical Variation, Modern Defense 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. c4 dxc4
D77 Neo-Grünfeld Defense: Classical Variation, Polgar Variation 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. c4 Nc6
D78 Neo-Grünfeld Defense: Classical Variation, Original Defense 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 c6 6. O-O d5
D79 Neo-Grünfeld Defense: Ultra-Delayed Exchange Variation 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 c6 6. O-O d5 7. cxd5 cxd5
D80 Grünfeld Defense 1. d4 Nf6 2. c4 g6 3. Nc3 d5
D80 Grünfeld Defense: Gibbon Gambit 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. g4
D80 Grünfeld Defense: Lundin Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Nxe4 dxe4 6. Qd2 c5
D80 Grünfeld Defense: Lutikov Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. f3
D80 Grünfeld Defense: Lutikov Variation, Murrey Attack 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. f3 c5 5. cxd5 Nxd5 6. Na4
D80 Grünfeld Defense: Stockholm Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5
D80 Grünfeld Defense: Zaitsev Gambit 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. h4
D81 Grünfeld Defense: Russian Variation, Accelerated Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Qb3
D82 Grünfeld Defense: Brinckmann Attack 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4
D83 Grünfeld Defense: Brinckmann Attack, Grünfeld Gambit 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O
D83 Grünfeld Defense: Brinckmann Attack, Grünfeld Gambit, Botvinnik Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Rc1 c5 7. dxc5 Be6
D83 Grünfeld Defense: Brinckmann Attack, Grünfeld Gambit, Capablanca Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Rc1
D83 Grünfeld Defense: Brinckmann Attack, Reshevsky Gambit 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. Rc1 O-O 6. e3 c5 7. dxc5 Qa5
D84 Grünfeld Defense: Brinckmann Attack, Grünfeld Gambit Accepted 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. cxd5 Nxd5 7. Nxd5 Qxd5 8. Bxc7
D85 Grünfeld Defense: Exchange Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5
D85 Grünfeld Defense: Exchange Variation, Modern Exchange Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3
D85 Grünfeld Defense: Exchange Variation, Modern Exchange Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5
D85 Grünfeld Defense: Exchange Variation, Modern Exchange Variation 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Rb1
D85 Grünfeld Defense: Exchange Variation, Modern Exchange Variation, Kramnik's Line 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. h3
D85 Grünfeld Defense: Exchange Variation, Modern Exchange Variation, Pawn Grab Line 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Rb1 O-O 9. Be2 Nc6 10. d5 Bxc3+
D85 Grünfeld Defense: Exchange Variation, Nadanian Attack 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Na4
D86 Grünfeld Defense: Exchange Variation, Classical Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4
D86 Grünfeld Defense: Exchange Variation, Larsen Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Qd7
D86 Grünfeld Defense: Exchange Variation, Larsen Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Qd7 9. O-O b6
D86 Grünfeld Defense: Exchange Variation, Simagin's Improved Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Nc6
D86 Grünfeld Defense: Exchange Variation, Simagin's Lesser Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 b6
D87 Grünfeld Defense: Exchange Variation, Seville Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 Nc6 9. Be3 O-O 10. O-O Bg4 11. f3 Na5 12. Bxf7+
D87 Grünfeld Defense: Exchange Variation, Spassky Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 O-O
D88 Grünfeld Defense: Exchange Variation, Spassky Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 Nc6 9. Be3 O-O 10. O-O cxd4 11. cxd4
D89 Grünfeld Defense: Exchange Variation, Sokolsky Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 O-O 9. O-O Nc6 10. Be3 Bg4 11. f3 Na5 12. Bd3 cxd4 13. cxd4 Be6 14. d5
D89 Grünfeld Defense: Exchange Variation, Spassky Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 Nc6 9. Be3 O-O 10. O-O Bg4 11. f3 Na5 12. Bd3 cxd4 13. cxd4 Be6
D90 Grünfeld Defense: Flohr Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+
D90 Grünfeld Defense: Three Knights Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3
D90 Grünfeld Defense: Three Knights Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7
D91 Grünfeld Defense: Three Knights Variation, Petrosian System 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5
D92 Grünfeld Defense: Three Knights Variation, Hungarian Attack 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4
D93 Grünfeld Defense: Three Knights Variation, Hungarian Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 O-O 6. e3
D94 Grünfeld Defense: Flohr Defense 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 g6 5. Nf3 Bg7 6. Bd3 O-O 7. O-O Bf5
D94 Grünfeld Defense: Makogonov Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. b4
D94 Grünfeld Defense: Opocensky Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Bd2
D94 Grünfeld Defense: Smyslov Defense 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 g6 5. Nf3 Bg7 6. Bd3 O-O 7. O-O Bg4
D94 Grünfeld Defense: Three Knights Variation, Burille Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3
D94 Grünfeld Defense: Three Knights Variation, Paris Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Bd3
D95 Grünfeld Defense: Botvinnik Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Qb3 e6
D95 Grünfeld Defense: Pachman Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. e3 Bg7 5. Qb3 dxc4 6. Bxc4 O-O 7. Nf3 Nbd7 8. Ng5
D95 Grünfeld Defense: Three Knights Variation, Vienna Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Qb3
D96 Grünfeld Defense: Russian Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3
D97 Grünfeld Defense: Russian Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4
D97 Grünfeld Defense: Russian Variation, Byrne Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Nc6
D97 Grünfeld Defense: Russian Variation, Hungarian Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 a6
D97 Grünfeld Defense: Russian Variation, Levenfish Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 b6
D97 Grünfeld Defense: Russian Variation, Prins Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Na6
D97 Grünfeld Defense: Russian Variation, Szabo Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 c6
D98 Grünfeld Defense: Russian Variation, Keres Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4 8. Be3 Nfd7 9. Be2 Nb6 10. Qd3 Nc6 11. O-O-O
D98 Grünfeld Defense: Russian Variation, Smyslov Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4
D99 Grünfeld Defense: Russian Variation, Smyslov Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4 8. Be3 Nfd7 9. Qb3
D99 Grünfeld Defense: Russian Variation, Yugoslav Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4 8. Be3 Nfd7 9. Qb3 c5